Mexican navy marines patrol a crime scene near Monterrey, Mexico, after unidentified gunmen killed one person while trying to assassinate the local police chief, March 21, 2010. Monterrey's economy is rebounding, but rampant drug violence is keeping investors away. AP hide caption

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Egidio Torre Cantu was selected to be the PRI's candidate for governor after his brother Rodolfo was assassinated. Critics say this is a sign that party machinery and the government, not the people, control politics in Mexico. Jason Beaubien/NPR hide caption

itoggle caption Jason Beaubien/NPR

Relatives and friends of Rodolfo Torre, candidate for governor in the northern Mexican state of Tamaulipas, attend his funeral in Ciudad Victoria, Mexico, Tuesday, June 29, 2010. Eduardo Verdugo/AP hide caption

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Mexican marines patrol at a crime scene near Monterrey. AP hide caption

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Mexican marines run down a street after a gun battle erupted Wednesday in the Pacific resort city of Acapulco, Mexico. A national newspaper reported that on Monday 96 people were assassinated in drug-related violence across the country — the highest daily death toll since Mexican President Felipe Calderon declared war on the drug cartels in December 2006. Bernandino Hernandez/AP hide caption

itoggle caption Bernandino Hernandez/AP

Roughly 1,000 people are living on an 8-foot-wide stretch of median in the middle of Route Nationale 2, a torn-up, six-lane road that is one of Haiti's busiest. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

The U.S. Agency for International Development has contracted with relief groups to hire Haitians to clear rubble in the coastal city of Leogane. They also hope to get locals involved in the rebuilding process. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR